[LO 0219] FEBRUARY 2019 Sub. Code: 2704
B.OPTOM
(New Syllabus 2015-2016)
FIRST YEAR
PAPER IV PRINCIPLES OF LIGHTING
Q.P. Code: 802704
Time: Three Hours Maximum: 100 Marks
Answer all questions
I. Elaborate on: x 10 30)
1. Explain laws of illumination.
2. Define Glare, its types, effects and how to prevent it?
3. Discuss about fibre optic communication and its uses.
II. Write notes on: x 5 40)
1. What are the factors affecting Visual task?
2. Write short notes on Ultra Violet spectrum.
3. Explain colour temperature and colour rendering.
4. Filters used in opthalmology.
5. Explain the seven reasoning of Goethe's theory.
6. Dual Natural theory of light.
7. What is Lamberts Cosine law?
8. Write about addictive colour synthesis.
III. Short answers on: (10 x 3 30)
1. What is solar constant?
2. Contrast sensitivity.
3. Define prism.
4. Explain tertiary colours.
5. Photometry define.
6. Addictive colour synthesis.
7. Define Candela.
8. Electric powered light source.
9. Unit of luminance efficacy.
10. Solid angle.